This publication is a review of the Indonesia Climate Change Trust Fund (ICCTF) – the first national trust fund to seek funding from multiple donors to finance climate change policies and programmes. Although it says that the ICCTF provides an innovative model for countries around the world seeking better access to international support for their climate change response strategies through nationally driven institutions, slow operationalisation is highlighted in practice. It is argued that, with a current capitalisation of $22 million, it is a relatively small source of finance in a country that accesses hundreds of millions of dollars of concessional donor support for climate related purposes. It is now one of many actors in an increasingly complex domestic climate finance landscape.